Year	Dollars
1997-01-01	2660641
2002-01-01	4565558
2003-01-01	2726115
2004-01-01	3477304
2005-01-01	5205247
2006-01-01	4024428
2007-01-01	3282368
2008-01-01	3463399
2009-01-01	2582933
2010-01-01	1979861
2011-01-01	9465723
2012-01-01	15499208
2013-01-01	4325747
2014-01-01	2101902
2015-01-01	3800234
2016-01-01	4405453